In terms of costing out an electricity supply mix, slides 2 and 3 of the document present a generation capacity comparison between 2003 and 2013, and a comparable comparison of the energy produced in 2003 and the OPA's anticipated production in 2013.

Diving into the numbers one fascinating fact emerges - one which it's hard to imagine is a coincidence. Tallying up the generation and accounting for net exports (Exports - Imports), it turns out that the two years, a decade apart, are equal.

Wednesday, July 17, 2013

Junk generation is a term I picked up from Tom Adams, but I'll attempt to define it: generation that exists to meet a proponent's need for revenue, not a consumer's need for power.

Like, for instance, industrial wind turbines in Ontario.

The past two days were the hottest of the year, with demand averaging 28% more than it has thus far into 2013.
Coal and natural gas collectively produced twice what they usually do
Nuclear 16% above its average
Hydro is right on it's average (being strongest during the sprint freshet)

During the week she was away there were a couple of incidents one might have expected the Premier to be around to address:

a transformer station failed causing prolonged power supply problems in a transmission system that had been referred to, years ago, as, "the weakest of any major financial centre in North America and probably the weakest such centre in the OECD"

Benjamin Levin, the deputy minister that served in the Ministry of Education while Kathleen Wynne was the minister, a man who recently served on the transition team as she became Premier, and shared a stage with her at Toronto's recent Pride festivities, was charged with child porn offences

Monday, July 15, 2013

The costs of generating electricity from various technologies is always a contentious subject, but particularly so in Ontario, where 2009's Green Energy Act entrenched a feed-in tariff (FIT) regime specifically to grow the presence of variable Renewable Energy Sources (vRES) in Ontario's high-baseload electricity system. With the new nuclear build for Darlington also prominent in a supply picture being redrawn with a new long-term energy plan, it's an important time to define the value proposition, for the public, for Ontario's generation options.

A value proposition is not solely about costs, but it's important to address the cost factors more thoroughly than the standard levelized unit costs that historically have formed the basis to compare different supply options.

The Ontario Power Authority (OPA), tasked with preparing an Integrated Power System Plant (IPSP) in 2011 presented the levelized cost estimates, from the U.S. Energy Information Administration (EIA), for a variety of new generation sources.

The 2011 EIA document provides a guide to establishing costs only if the columns containing the assumptions/parameters aren't ignored in jumping to the final column containing the levelized cost.

Firm price contracts for each unit of output, whether they are referenced as feed-in tariffs or strike prices, are easy to misinterpret as representing a levelized unit cost to a consumer, but they do not. A recent report from the Organization for Economic Co-Operation and Development and the Nuclear Energy Agency (OECD/NEA) [2] attempted to quantify "grid-level systems costs" for a variety of generation technologies in a number of countries:

The results show that system costs for the dispatchable technologies are relatively modest and usually below USD 3 per MWh. They are considerably higher for variable technologies and can reach up to USD 40 per MWh for onshore wind, up to USD 45 per MWh for offshore wind and up to USD 80 per MWh for solar, with the high costs for adequacy and grid connection weighing heaviest.

In Ontario, such costs have been reported at over $60/MWh for industrial wind turbines. [3]

Provincial energy agencies will conduct a review to determine how our energy infrastructure performed and how personnel responded. This process ensures that best practices are in place to learn from every outage, and to minimize future system issues. It's an opportunity to determine causes, learn what worked and ensure we can deliver the best service for families and businesses.

Perhaps some honest background would have been a helpful conversation starter.

Bruce Power has turned five units off at different times this year to cut supply for a total down time of 40 days. Since the plant is paid about $1 million per day, it cost Ontario $40 million for reactors to idle.
Bruce also conducted steam diversions from turbines to cut power production 84 times this year, which is the equivalent of approximately 22 unit days offline. For that, the plant was paid $22 million to vent steam into the air instead of operating turbines.
In total, $62 million was paid to the Bruce plant this year to suppress electricity production.

I think some context on the figures is important, both for understanding the role of the curtailments in the rapidly escalating prices Ontarians are, or soon will be, experiencing, and to understand while they'll be experiencing escalating escalations.

Tuesday, July 2, 2013

A couple of years ago, today, I posted a half-year review titled Ontario's Electricity System Halfway into 2011 ... here it is for 2013 with some crossouts, updated graphics, and some new commentary(bold italics)I have not included the factor new to this year, which is the surge in high cost generation not reported by the system operator (IESO) or the system planner (OPA). That will be left for another post, except to note generation, and demand figures for the first half of 2013 I estimate to be underreported by ~1.1TWh, roughly double the unreported amounts for 2011 which were double the amounts for 2009.Other than that, the trends apparent 2 years ago continue, and the excessive rate hikes of the past couple of months are due to the government's consistent disinterest in competently managing supply.___

Ontario's electricity sector experienced more of the same during the first half of the year - which continues to betray the ongoing mistakes of the government and the Ontario Power Authority (OPA).

The headline figures for the first half the year, when June's numbers are finalized in a couple of weeks, should be anemic demand growth accompanied by inflation in pricing of almost exceeding 10%. But the same headlines should have been written one yearyears ago. Instead, Ontario's residents continue to be subjected to errant implications an insatiable appetite for ever more electricity is driving the price hikes.

There are lots of ways to estimate profits and losses on exports, but over "the past six of seven years" Ontario doesn't even have $5-$6 billion in revenues from exports. $4-$5 billion is a revenue range for all exports since 2006 began, but most imports (particularly in the most recent years) occur while we are exporting even more, so at the most rudimentary level one might say the net revenue from export/import activities has been $2-$2.5 billion in the past 6 or 7 years.[1]